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What is the fuel pump voltage in the 99 Cougar 2.5L V6

Tiny
J72NELLY72
  • MEMBER
  • 1999 MERCURY COUGAR
  • 175,000 MILES
Wondering if the fuel pump should be getting 6 volts or 12 volts to run it
Friday, March 16th, 2012 AT 12:01 AM

7 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
It takes 12 volts to power it then drops due to it running
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Friday, March 16th, 2012 AT 12:08 AM
Tiny
J72NELLY72
  • MEMBER
  • 7 POSTS
When I checked the boot with my voltage meter it was only getting 6 volts is this because it needs to be fully connected to get full power or is there something that can prevent it from getting power
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Friday, March 16th, 2012 AT 12:10 AM
Tiny
RASMATAZ
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Voltage drop -check at the fuel pump relay
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Friday, March 16th, 2012 AT 12:36 AM
Tiny
J72NELLY72
  • MEMBER
  • 7 POSTS
I went through and pulled every relay one by one in the car to look for a voltage change and had nothing the voltage on the meter stayed at 6 volts
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Friday, March 16th, 2012 AT 12:43 AM
Tiny
RASMATAZ
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Power the fuel pump direct from the battery and tell me what happened
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Friday, March 16th, 2012 AT 2:08 AM
Tiny
J72NELLY72
  • MEMBER
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It turned like it should
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Friday, March 16th, 2012 AT 2:14 AM
Tiny
RASMATAZ
  • MECHANIC
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Check the voltage before and after the inertia fuel cut off switch
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Friday, March 16th, 2012 AT 2:30 AM

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